CA1107902A - Casque protecteur - Google Patents
Casque protecteurInfo
- Publication number
- CA1107902A CA1107902A CA332,724A CA332724A CA1107902A CA 1107902 A CA1107902 A CA 1107902A CA 332724 A CA332724 A CA 332724A CA 1107902 A CA1107902 A CA 1107902A
- Authority
- CA
- Canada
- Prior art keywords
- helmet
- projections
- shell
- outer shell
- inner shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 24
- -1 polybutylene terephthalate Polymers 0.000 claims description 18
- 229920000573 polyethylene Polymers 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 10
- 239000000155 melt Substances 0.000 claims description 9
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 7
- 239000005977 Ethylene Substances 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 6
- 239000006260 foam Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920000515 polycarbonate Polymers 0.000 claims description 5
- 239000004417 polycarbonate Substances 0.000 claims description 5
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims description 2
- 229920003235 aromatic polyamide Polymers 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 230000002730 additional effect Effects 0.000 claims 1
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 231100001261 hazardous Toxicity 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 12
- 240000000136 Scabiosa atropurpurea Species 0.000 description 11
- 241000003834 Scabiosa Species 0.000 description 8
- 241000905957 Channa melasoma Species 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 229940063583 high-density polyethylene Drugs 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- HYIMSNHJOBLJNT-UHFFFAOYSA-N nifedipine Chemical compound COC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC=C1[N+]([O-])=O HYIMSNHJOBLJNT-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 1
- 241000380131 Ammophila arenaria Species 0.000 description 1
- 101100518414 Dictyostelium discoideum orcB gene Proteins 0.000 description 1
- 101150053401 ORC2 gene Proteins 0.000 description 1
- 241001131927 Placea Species 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000283984 Rodentia Species 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- CEJLBZWIKQJOAT-UHFFFAOYSA-N dichloroisocyanuric acid Chemical compound ClN1C(=O)NC(=O)N(Cl)C1=O CEJLBZWIKQJOAT-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
Landscapes
- Helmets And Other Head Coverings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA332,724A CA1107902A (fr) | 1976-12-20 | 1979-07-26 | Casque protecteur |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB53178/76A GB1578351A (en) | 1976-12-20 | 1976-12-20 | Protective helmet |
| GB53178/76 | 1976-12-20 | ||
| CA293,279A CA1107901A (fr) | 1976-12-20 | 1977-12-16 | Casque protecteur |
| CA332,724A CA1107902A (fr) | 1976-12-20 | 1979-07-26 | Casque protecteur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1107902A true CA1107902A (fr) | 1981-09-01 |
Family
ID=27165429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA332,724A Expired CA1107902A (fr) | 1976-12-20 | 1979-07-26 | Casque protecteur |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1107902A (fr) |
-
1979
- 1979-07-26 CA CA332,724A patent/CA1107902A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |